Hardcover. 1st Edn., 1st Issue with the dated tp. An important early detective crime/mystery short story collection about detectives in Victorian England. Featuring 13ss : One Night in a Gaming House; Guilty or Not Guilty; X.Y.Z.; The Widow; The Twins; The Pursuit; Legal Metamorphoses; The Revenge; Mary Kingsford; Flint Jackson; The Monomaniac; The Partner; The Conspiracy. With Frontis. 309pp. 12mo. h/back. With the green variant paper-covered pictorial binding, as opposed to the more common yellow-back. Browned edges, as well as some browning to several pp., re-backed sp., fore-edges, corners and covers rubbed (see images). A Nr. Vg. copy of a Rare, early detective/mystery title. QQ & Haycraft Queen Cornerstone.